Dear editors, The authors of the article "Pittfals in Vascular imaging when brain death is suspected: multidetector computed tomography as a complementary tool" (Arq Neuropsiquiatr 2014;72:473-474 are to be warmly congratulated. The team of the Unit of Neuroradiology of the Santa Casa de Misericórdia de São Paulo has confirmed, in an elegant and less invasive way, our demonstration, for the first time in world literature, 45 years ago (Brock M, et al: Cerebral Blood Flow and